2,6,10-Trimethyl-9-undecenal is
a colorless to slightly yellow liquid with an intense aldehyde, waxy, slightly floral
odor. It is synthesized from a hydrogenated pseudoionone (primarily the tetrahydro
compound) and an alkyl chloroacetate by means of a glycidic ester condensation;
this is followed by hydrolysis and decarboxylation.
2,6,10-Trimethyl-9-undecenal is a richly fragrant substance that is used in
flower compositions to obtain an aldehydic note.
Clear, yellow liquid; strong, pungent,
ozone-like odor. Combustible.
Flammability and Explosibility
Not classified
Adoxal (Givaudan), Farenal® (Symrise).
Adoxal is prepared from Pseudo-ionone via Darzen’s
reaction (Glycidate-intermediate).
